One evening in 1980, a group of white friends, drinking at the Duke of Edinburgh pub on East Ham High Street, made a monstrous five-pound wager. The first person to kill a "Paki" would win the bet. Ali Akhtar Baig, a young Pakistani student who lived in the east London borough of Newham, was their chosen victim. Baig's murder was but one incident in a wave of antiblack racial attacks that were commonplace during the crisis of race relations in...